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Class 11 Chemistry के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

ChemistryIf two solutions have the same amount of solvent, in which case will more solute dissolve?Class 11Chapter 01: SolutionsLevel 2EasyChemistryWhy does common salt dissolve appreciably in water?Class 11Chapter 01: SolutionsLevel 2EasyChemistryWhich law explains the relation between the solubility of a gas in a liquid and the pressure of that gas?Class 11Chapter 01: SolutionsLevel 2EasyChemistryAqueous solutions of the same solute have molalities of 0.25 mol kg⁻¹ and 0.75 mol kg⁻¹. They are mixed using equal masses of water. What is the molality of the resulting solution?Class 11Chapter 01: SolutionsLevel 4MediumChemistry36.5 g of hydrogen chloride is dissolved in water to make 250 mL of solution. If the molar mass of hydrogen chloride is 36.5 g mol⁻¹, what is the molarity of the solution?Class 11Chapter 01: SolutionsLevel 4EasyChemistryIn a solution, mass of solute is 6 g and mass percentage is 4. What is the mass of solvent?Class 11Chapter 01: SolutionsLevel 4EasyChemistry0.02 mol solute is present in 500 mL solution. If molar mass of solute is 100 g per mol, what is the mass by volume percentage?Class 11Chapter 01: SolutionsLevel 4MediumChemistryIn a 0.4 molal solution with water as solvent, how many moles of solute are present in 90 g water?Class 11Chapter 01: SolutionsLevel 4EasyChemistry50 mL of a 0.5 mol L^-1 solution contains 0.025 mol solute. If it is concentrated by evaporation to 25 mL, what will be the molarity?Class 11Chapter 01: SolutionsLevel 4EasyChemistryA solution has a molarity of 0.4 mol L⁻¹ and a volume of 250 mL. What volume of a 0.1 mol L⁻¹ solution of the same solute will contain the same number of moles?Class 11Chapter 01: SolutionsLevel 4MediumChemistryWhat is the approximate mass percentage of sodium chloride in a 1.0 molal sodium chloride solution? Molar mass is 58.5 g per mol.Class 11Chapter 01: SolutionsLevel 4MediumChemistry40 g sodium hydroxide is dissolved in 500 g water. What is the approximate mole fraction of sodium hydroxide?Class 11Chapter 01: SolutionsLevel 4MediumChemistry10 mL ethanol is mixed with water to make 250 mL solution. Then 50 mL of this solution is diluted to 200 mL. What is the volume percent of ethanol in the final solution?Class 11Chapter 01: SolutionsLevel 4MediumChemistryWhat is the molarity of sodium ions in 0.1 mol L^-1 sodium sulphate solution, assuming complete ionisation?Class 11Chapter 01: SolutionsLevel 4EasyChemistry98 g sulphuric acid is dissolved in water to make 2 L solution. If the acid completely gives two hydrogen ions, what is the molarity of hydrogen ions?Class 11Chapter 01: SolutionsLevel 4MediumChemistryIn a solution, mole fractions of solute and solvent are equal. If molar masses of solute and solvent are 60 g per mol and 18 g per mol respectively, what is the approximate mass percentage of solute?Class 11Chapter 01: SolutionsLevel 4MediumChemistry15 g solute is dissolved to make 300 mL solution. If molar mass of solute is 75 g per mol, what is the molarity of the solution?Class 11Chapter 01: SolutionsLevel 4EasyChemistryA 25 percent by mass solution contains a solute of molar mass 50 g per mol and water as solvent. What is the approximate molality?Class 11Chapter 01: SolutionsLevel 4MediumChemistryA solution has 25 mass percent solute. Molar mass of solute is 50 g mol−1 and that of solvent is 18 g mol−1. What is the approximate mole fraction of solute?Class 11Some Basic Concepts of ChemistryPercentage composition and empirical/molecular formulasLevel 9HardChemistryA solution has solute mole fraction 0.25. If molar masses of solute and solvent are 60 g mol−1 and 18 g mol−1 respectively, what is the approximate mass percentage of solute?Class 11Some Basic Concepts of ChemistryPercentage composition and empirical/molecular formulasLevel 9Hard